Question

Someone please help me and thanks in advance

Answer 1

`12^(2)+3x+6` and
`-7x^(2)-4x-2 = 5 x^(2) -x+4`


`x^(2) + x` and
`x^(2) = 9x=2x^(2) +9x-2`


`x^(3) + x^(2) +2` and
`x^(2) -2- x^(3) = -2x-2`